Professor Kevin Fong flies with the Helicopter Emergency Medical Service, making split-second, life-or-death decisions in the most extreme circumstances. In this gripping blend of memoir and reportage, he confronts a disturbing truth: sometimes even the best trained expert does not know the right thing to do. Telling stories of astonishing skill and catastrophic error, he shows that our ability to move at ever greater speeds in ever greater safety comes with a bitter irony: w...